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Infusion Set And Spectroscopic Analyzer For Analysis Of Pharmaceuticals

a spectroscopic analyzer and infusion set technology, applied in material analysis using wave/particle radiation, instruments, other medical devices, etc., can solve the problems of inability to perform sterility analysis, inability to use quartz cuvettes, and inability to use them in the field of spectroscopic analysis of pharmaceuticals, etc., to achieve the effect of less expensiv

Active Publication Date: 2016-01-14
DEAN O ALLGEYER MD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The present invention provides an IV bag adapter or infusion set that can be used reliably, accurately, and with a minimum of cost and complexity. The invention also provides a spectroscopic analyzer and a container that are easy to use together. The invention can be used in a clinical context without shielding from ambient light and includes a test chamber that is substantially transmissive of ultraviolet radiation below about 315 nm. The invention allows for reliable and inexpensive pharmaceutical verification and can be used in a drug diversion program or in-house by organizations such as a hospital.

Problems solved by technology

Quartz cuvettes, however, can be impractical for this application due to their fragility, rigidity, and cost.
Both are unacceptable.
In the first instance sterility is compromised and in both instances the operator is potentially exposed to the fluid.

Method used

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  • Infusion Set And Spectroscopic Analyzer For Analysis Of Pharmaceuticals
  • Infusion Set And Spectroscopic Analyzer For Analysis Of Pharmaceuticals
  • Infusion Set And Spectroscopic Analyzer For Analysis Of Pharmaceuticals

Examples

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Embodiment Construction

[0016]The present invention is an IV bag adapter or infusion set with a test chamber that is substantially transmissive of UV light in a range that is not affected by ambient lighting in a clinical setting. Both the adapter and the infusion set are designed to be inexpensive and disposable and molded within a tolerance that gives meaningful quantitative data regarding drug concentrations.

[0017]As an example of one injectable medication, FIG. 1 illustrates a Heparin calibration plot at 260 nm. Concentration in units / ml (U / ml) is plotted against absorption units (AU) per centimeter (AU / cm). The plot is stored in the memory of a spectrometer (See FIG. 4) for automated comparison of a recently compounded preparation. An acceptable variance can be programmed into the spectrometer, which in the case of heparin is a realistic level on the order of ±25 percent. Widely divergent samples that represent potential ADE's are readily identified due to the magnitude of the discrepancies, preventin...

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Abstract

An infusion set and an intravenous bag adapter constructed of ultraviolet transmissive thermoplastic are used in spectroscopic validation of pharmaceuticals. The described hardware allows for qualitative and quantitative assurance of medications and is used to prevent medication errors. The thermoplastic is transmissive in the range below 315 nanometers. In one embodiment, the invention comprises a spectrometer and a test chamber that are unaffected by the presence of ambient light. The spectrometer includes an unshielded slot or receptacle into which the test chamber is easily fitted. This embodiment can function well in drug diversion programs for which unused post-op narcotics can be tested.

Description

APPLICATION HISTORY[0001]This application is a continuation-in-part (CIP) of, and claims the benefit of the filing date of, application Ser. No. 13 / 947,772, filed Jul. 22, 2013, Publication No. 2015 / 0021494, published Jan. 22, 2015.FIELD OF THE INVENTION[0002]This invention relates to the spectroscopic analysis of chemical compounds. More specifically, one form of the invention relates to an adapter and an infusion set for use in verifying pharmaceuticals as a means to prevent medication errors. This form of the invention includes a chamber that is substantially transmissive of ultraviolet radiation that is unaffected by ambient light in a clinical setting, even with a spectroscopic reader that functions in an unshielded configuration. Another form of the invention is a system that includes a spectroscopic analyzer with an unshielded receptacle for a cuvette, in which the cuvette is substantially transmissive of ultraviolet radiation such that the system is unaffected by ambient lig...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): G01N21/03A61M5/14G01N21/33
CPCG01N21/0303G01N2201/02G01N21/33A61M5/1412A61M5/14A61M5/142A61M5/162G01N21/03G01N21/11A61M2205/02A61M2205/276A61M2205/3313A61M2205/6009A61M2205/6063G01N21/255G01N2021/0321G01N21/01
Inventor ALLGEYER, DEAN, O.
Owner DEAN O ALLGEYER MD
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